مقایسه جاذب های معدنی و آلی بر پایه پلیمر زیست سازگار درحذف کدورت آب
محورهای موضوعی :
آب و محیط زیست
مریم خائف
1
,
افشار علی حسینی
2
,
سیدامین میر محمدی
3
,
فرهاد امانی زاده فینی
4
1 - کارشناسی ارشد مهندسی شیمی، گروه مهندسی شیمی، دانشکده فنی مهندسی، دانشگاه آزاد اسلامی واحد تهران مرکز، تهران، ایران.
2 - دانشیار گروه مهندسی شیمی, دانشکده فنی مهندسی، دانشگاه آزاد اسلامی واحد تهران مرکز ، تهران، ایران.* (مسوول مکاتبات)
3 - استادیار گروه مهندسی شیمی, دانشکده فنی مهندسی، دانشگاه آزاد اسلامی واحد تهران مرکز ، تهران، ایران.
4 - مربی آزمایشگاه نفت و گاز، گروه مهندسی نفت، دانشکده نفت و مهندسی شیمی واحد علوم و تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران.
تاریخ دریافت : 1399/03/23
تاریخ پذیرش : 1400/04/02
تاریخ انتشار : 1400/10/01
کلید واژه:
جاذب آلی کیتوسان,
جاذب معدنی,
تصفیه آب,
ذرات کلوئیدی,
چکیده مقاله :
زمینه و هدف: کاهش غلظت ذرات معلق کلوئیدی به عنوان عامل کدورت آب همواره یکی از اهداف اصلی در طراحی تصفیه خانه های آب می باشد. هدف از تحقیق حاضر مقایسه منعقد کننده های آلی پلیمری زیست سازگار و معدنی در حذف کدورت موجود در آب است.
روش بررسی: در دامنه زمانی دی تا اسفند سال 1399 نمونه های مورد آزمایش از رودخانه کرج پس از مرحله آشغالگیری در تماس با مقادیر متفاوت از جاذب ها در موقعیت و شرایط یکسان قرار گرفت، تا علاوه بر پیدا کردن غلظت بهینه مقایسه درستی بین عملکرد جاذب در جذب کدورت انجام گیرد. همچنین برای طراحی آزمایش، تحلیل و بررسی داده ها،آنالیز واریانس از نرم افزار Minitab استفاده گردید.
یافته ها: آب رودخانه کرج با کدورتNTU 86/85 در تماس با غلظت های مختلفی از آلومینیوم سولفات و کلرورفریک به عنوان منعقد کننده معدنی، نشاسته و کیتوسان مدیوم به عنوان منعقد کننده های آلی پلیمری زیست سازگار قرار گرفت0 غلظت های5/6 و10 میلی گرم در لیتر به ترتیب بهترین غلظت های کلرورفریک و آلومینیوم سولفات و غلظت هایmg/lit 2/5 ازکیتوسان و نسبت 6 به 4 میلی گرم بر لیتر از مخلوط کیتوسان - نشاسته بهترین غلظت ها در جذب کدورت می باشد.
بحث و نتیجه گیری: نتایج حاصل از داده های آزمایش نشان می دهد ترکیب درصدهای مختلفی از کیتوسان-نشاسته بهترین عملکرد را در حذف کدورت ناشی از ذرات کلوئیدی از آب دارا می باشند. به گونه ای که ترکیب 60% کیتوسان مدیوم و 40% نشاسته دارای بهترین درصد حذف ذرات کلوئیدی و کدورت(90%) می باشد و در مقایسه با جاذب هاب معدنی عملکرد بهتری دارد.
چکیده انگلیسی:
Background and Objective: Decreasing the concentration of colloidal suspended particles, the turbidity factor of water, has always been one of the main goals in the design of water treatment plants. The aim of this study was to compare two types of biocompatible polymeric and inorganic organic coagulants in removing turbidity in water.
Material and Methodology: The experimental samples of Karaj River after the garbage collection stage were carried out in the same amount of water and were in the same condition to identify the best percentage of colloidal particle removal and turbidity. Also for experimental design, data and variance analysis were used Minitab software.
Findings: Karaj River water with 85.86 NTU turbidity in different concentration contact with inorganic coagulants (Aluminum sulfate and chloric ferric) and the organic polymeric coagulants (Starch and chitosan medium). The best concentrations of inorganic coagulants as chloric ferric is 6.5 mg/lit and aluminum sulfate is 10mg/lit and for organic polymeric coagulant as: chitosan is 5.2 mg/lit and starch- chitosan medium is 40% of chitosan and 60% starch.
Discussion and Conclusion: The results of experimental data are shown that the combination of chitosan-starch has the best performance in removing turbidity from water. So that finally 60%-40% of chitosan and starch had the best percentage of turbidity removal and up to 99% were able to remove the remaining turbidity.
منابع و مأخذ:
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Pedroni, V.I., Schulz, P.C., Gschaider, M.E., Andereucetti, N.,” Chitosan structure in aqueous solution, Colloid Polymer Science”, 2015. Vol.282 (9): 100-102,
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Hasheminezhad H, Sabeti herandi A, Paidary P., “Evaluation of tannic acid as a coagulant in turbidity reduce of water in preliminary treatment” J. Water and soil sciences 2018; 22(2):189-198. (In Persian)
Malakoteian M, Mousavi S.G, Toulabi A., “Study of Kinetic and bioabsorption isothermal heavy metal from industrial wastewater by Olotrix zonata algae” J. Ilam Univ. Med. Sci, 2011; 19(4):26-37 (In Persian)
Emmanuel K.T., Sudesh R., “Application of organic coagulants in water and wastewater” Intechopen, 2020; DOI: 10.5772/intechopen.84556.
Li.,Ming-Kai. H., Shih-Hsiang.C., Jason D. M., David A.D., Radisav D.V.,“Control of mineral scale deposition in cooling systems using secondary-treated municipal wastewater” Water Research, Volume 45, Issue 2, January 2011: 748-760
Nourmoradi, H., Karimi, H., Alihosseini, A. and Baghi, A., Farokhi moghadam K. “Survey on the performance of Ilam wastewater treatment plant in the removal of total coliform, fecal coliform and other factors influencing the quality of water”. J. Ilam Univ. Med. Sci, 2014; 22(1): 77-83
Karimi F, Aroji N, Takdastan A., “Comparison of poly-diamine dimethyl ammonium chloride with ferric chloride in the coagulation drinking water treatment in the Ahvaz city” J. Environmental Health Engineering ,2016; 5(1): 43-56
Heiderscheidt E., Leiviska T., Ronkanen A.N., Klove. B, “Evaluating the suitability of synthetic organic polymers to replace iron salts in the purification of humic and sediment-rich runoff” Desalination and water treatment, 2015; 10948-10957
Alihosseini.A., Zolfaghari.S., Pirouzfar.V., “Qualitative and quantitative characterization of urban wastewater in order to assess its performance (case study: Ilam sewage treatment plant” Journal of global ecology and environment, 2016, pp:212-219
Ahangar Noucolaei M.A, Ayati B, Ganjidoost H, Tofigi M., “Application of natural and synthetic polymers in water treatment” 7th Conference and Specialized Environment Exhibition, 2014; Tehran, Iran. (In Persian)
Malleviale, Bruchet, Fiessinger, “How safe are organic polymers in water treatment?”, American water works association, 2015; 6, pp.3-12
Assou. M., Madinzi.A., Aboulhassan. M. A., Souabi. S., Removal of Turbidity in Tannery Waste Water: Modelling by the Experimental Design” International Journal of Civil and Environmental Engineering ,2014; 36(2): 1290-1296
Okuda, T., Aloysius, U.B., Wataru, N., Okada, M., “Improvement of extraction method of coagulation active components from Moringa oleifera seed” Water Research, 2016; 33(15): 33-41
Takdastan A, Pazoki M, Baghi F, Azizpour L., “Removing turbidity and coliforms of Karun river water by starch as a coagulant” 10th National Conference on Environmental Health, 2006; Tehran, Iran. (In Persian)
Godarzy N, Nasery S.,“Study of Economic the using of starch as a coagulant aid in water treatment” J. Ecology, 2009; 25(24): 19-28. (In Persian)
Amini A, Zeyaie M, Madboni M, Sharifi A., “Investigating the Potential of Cadmium Ions Removal from Aqueous Solutions using Date-palm Leaf Ash” J. Environmental Science and Technology, 2019; 20(4):153-161. (in Persian)
Paserh F, Borghei S.M, Hosseini S. N, Javid A., “Effective removal of phosphorus from sewage using a modified biological method” J. Environmental Science and Technology, 2018; 19(4):1-13. (In Persian)
Fockaert L.I, Ankora M.V.E, Vandam J.P.B., “Effect of organic in fluoacid-based Ti and Zr-treatments for glavinized steel on the stability of a polymer coated interface, peogress in organic coatings” Progress in Organic Coatings; 2020, vol.146:105738
Wenjun Zhu, Jiayue Zhao, Nanoscale metal-organic frameworks and coordination polymers as theranostic plat forms for cancer treatment” coordination chemistry reviews, 2019; vol.398: 113009
Maany E, Sabeti A., “Investigation of chitosan as coagulant in removing water turbidity of surface water sources” 2th national Conference Water Resources Management ,2006; Tehran,Iran. (In Persian)
Pedroni, V.I., Schulz, P.C., Gschaider, M.E., Andereucetti, N.,” Chitosan structure in aqueous solution, Colloid Polymer Science”, 2015. Vol.282 (9): 100-102,
Ramezanian Bajgiran S, Delghandi S, Zamiri S., “Assessing the application of coagulation and flocculation process in the water Physical treatment of Zoshk Shandiz River flow” J.Environ. Water Eng., 4(3), 266–273.DOI: 10.22034/jewe.2018.99952.1188 (In Persian)
Chu, Fang-I, “Statistical methods for treatment effects with treatment switching” Scholarship, 2015; Corpus ID: 78115796.
